EFFECTIVENESS OF FREE DELIVERY FOR MEMBERS: AN EMPIRICAL INVESTIGATION OF CONSUMER PURCHASING BEHAVIOR AND REVENUE CONTRIBUTION. KRIEZ ACADEMY: Journal of Development and Community Service, [S. l.], v. 1, n. 5, p. 15–29, 2026. Disponível em: https://kriezacademy.com/index.php/kriezacademy/article/view/24.. Acesso em: 6 oct. 2026.